Solutions to Quadratics Square

Choose the best method to solve this quadratic:

​ (a)  

2(x + 2)² - 5 = 8

• Square Roots

• Quadratic Formula

• ZPP

Choose the best method to solve this quadratic:

​ ​ ​ (a)  

x² - 8x - 5 = 0

• ZPP

• Square Roots

• Quadratic Formula

How many solutions are there?

• 0

• 1

• 2

• Cannot be determined

Choose the best method to solve this quadratic:

​ (a)  

3x² - 21 = 3

• Square Roots

• ZPP

• Quadratic Formula

Solve

x² = 121

• x = 60.5

• x = ± 11

• x = ± 12

• x = 11

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

How many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x² + 4x + 6?

• x = 0.5

• x = 1.5

• x = 1

• x = 8

• x = 6

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

What are the solutions for this quadratic equation?

• -4 and 0

• 4 and 0

• -2 and 4

• -2 and -4